Within the GNU/Linux ecosystem there are all kinds of tools to diagnose the system, or rather, to check the state of the hardware, but there are few distributions specifically designed to perform this task, or at least that I know of, because the only distribution I know that is intended to diagnose the computer, (Or at least one of the components), is memtest86+, so I would like to know what other distributions exist in addition to the one mentioned above
Back in the day we used Knoppix, I know it still exists, but no clue if it’s still viable?
Knoppix still exists, but it is not as used as before
Parted magic
Gparted Live
Rescuetux
RefiFind < this one saves me alot when i brick my bootloader :)
Something like gparted ? It is specifically designed to manage disks and partitions from a live OS.
What about systemrescueCD? https://www.system-rescue.org/